Answers

Add 3/28 and 24/20

1^st number: 3/28, 2^nd number: 1 4/20

3/28 + 24/20 is 183/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   3/28 = 3 × 5/28 × 5 = 15/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   24/20 = 24 × 7/20 × 7 = 168/140
4. Add the two like fractions:
   15/140 + 168/140 = 15 + 168/140 = 183/140
5. So, 3/28 + 24/20 = 183/140
   In mixed form: 143/140

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